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AD7818ARMZ-REEL7 PDF预览

AD7818ARMZ-REEL7

更新时间: 2024-01-23 21:09:00
品牌 Logo 应用领域
亚德诺 - ADI 传感器换能器温度传感器输出元件
页数 文件大小 规格书
20页 1587K
描述
Dual, Low Power CMOS, Analog Front End with DSP Microcomputer

AD7818ARMZ-REEL7 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:MSOP-8
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.23Is Samacsys:N
最大精度(摄氏度):2 Cel主体宽度:3 mm
主体高度:1.1 mm主体长度或直径:3 mm
JESD-609代码:e3安装特点:SURFACE MOUNT
位数:10端子数量:8
最大工作电流:2 mA最高工作温度:85 °C
最低工作温度:-40 °C输出接口类型:3-WIRE INTERFACE
封装主体材料:PLASTIC/EPOXY封装等效代码:TSSOP8,.19
封装形状/形式:SQUARE电源:3/5 V
传感器/换能器类型:TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL子类别:Other Sensors/Transducers
最大供电电压:5.5 V最小供电电压:2.7 V
表面贴装:YES技术:CMOS
端子面层:Matte Tin (Sn)端接类型:SOLDER
Base Number Matches:1

AD7818ARMZ-REEL7 数据手册

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Data Sheet  
AD7817/AD7818  
Parameter  
A Version1 B Version1 S Version1 Unit  
Test Conditions/Comments  
POWER REQUIREMENTS (AD7818 ONLY )6  
VDD  
5.5  
2.7  
V max  
V min  
For specified performance  
IDD  
Logic inputs = 0 V or VDD  
1.3 mA typical  
2.5 V external reference connected  
6 µA typ  
2 µA typ  
VDD = 3 V  
See the Power vs Throughput section  
for description of power dissipation  
in auto power-down mode  
Normal Operation  
2
mA max  
mA max  
µA max  
µA max  
Using External Reference  
Power-Down (VDD = 5 V)  
Power-Down (VDD = 3 V)  
Auto Power-Down Mode  
10 SPS Throughput Rate  
1 kSPS Throughput Rate  
10 kSPS Throughput Rate  
Power-Down  
1.75  
10.75  
4.5  
6.4  
µW typ  
µW typ  
µW typ  
µW max  
48.8  
434  
13.5  
Typically 6 µW  
ANALOG INPUTS (AD7817/AD7818)7  
Input Voltage Range  
VREF  
0
VREF  
0
VREF  
0
V max  
V min  
Input Leakage  
Input Capacitance  
1
10  
1
10  
1
10  
µA min  
pF max  
LOGIC INPUTS (AD7817/AD7818)4  
Input High Voltage, VINH  
Input Low Voltage, VINL  
Input High Voltage, VINH  
Input Low Voltage, VINL  
Input Current, IIN  
Input Capacitance, CIN  
LOGIC OUTPUTS (AD7817/AD7818)4  
Output High Voltage, VOH  
2.4  
0.8  
2
0.4  
3
2.4  
0.8  
2
0.4  
3
2.4  
0.8  
2
0.4  
3
V min  
V max  
V min  
V max  
µA max  
pF max  
VDD = 5 V 10%  
VDD = 5 V 10%  
VDD = 3 V 10%  
VDD = 3 V 10%  
Typically 10 nA, VIN = 0 V to VDD  
10  
10  
10  
ISOURCE = 200 µA  
VDD = 5 V 10%  
VDD = 3 V 10%  
ISINK = 200 µA  
4
2.4  
4
2.4  
4
2.4  
V min  
V min  
Output Low Voltage, VOL  
0.4  
0.2  
1
0.4  
0.2  
1
0.4  
0.2  
1
V max  
V max  
µA max  
pF max  
VDD = 5 V 10%  
VDD = 3 V 10%  
High Impedance Leakage Current  
High Impedance Capacitance  
15  
15  
15  
1 The B Version and the S Version only apply to the AD7817. The A Version applies to the AD7817 or the AD7818 (as stated in specification).  
2 See Terminology.  
3 The accuracy of the temperature sensor is affected by reference tolerance. The relationship between the two is explained in the Temperature Measurement Error Due  
to Reference Error section.  
4 Sample tested during initial release and after any redesign or process change that may affect this parameter.  
5 On-chip reference shuts down when external reference is applied.  
6 These specifications are typical for AD7818 at temperatures above 85°C and with VDD greater than 3.6 V.  
7 This refers to the input current when the part is not converting. Primarily due to the reverse leakage current in the ESD protection diodes.  
Rev. D | Page 5 of 20  
 
 
 

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